FAN1117AD285X

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The FAN1117AD285X is a fixed-output low-dropout linear voltage regulator manufactured by onsemi. It provides a stable 2.85 V output with a maximum current capacity of 1 A. The device operates within an input voltage range of 2.5 V to 17 V and features a maximum dropout voltage of 1.2 V at full load. Key electrical specifications include a quiescent current of 13 mA, line regulation of 0.2 %/V, and load regulation of 0.5 %. It supports surface-mount installation in a TO-252-3 package and functions reliably across an operating temperature range from 0°C to +125°C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Provides a fixed positive output voltage for stable power supply applications
• Capable of delivering up to 1 A of continuous output current
• Operates with a wide input voltage range extending up to 17 V
• Designed for surface-mount technology integration

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Portable electronic devices requiring regulated power rails
• Battery-powered systems needing efficient voltage conversion
• Embedded circuits utilizing low-dropout regulation

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix indicates the correct fixed voltage variant. Check for RoHS compliance status and ensure the package type matches your PCB footprint requirements. Review datasheet revisions for any updates to electrical characteristics or thermal performance data before finalizing procurement decisions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 2.85 V rail is required with high current capability. Ensure the input voltage remains within the specified 2.5 V to 17 V window. Consider thermal dissipation capabilities given the 18 W power dissipation rating in the TO-252-3 package. Verify that the 1.2 V dropout characteristic meets system headroom requirements under maximum load conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the FAN1117 series of low-dropout regulators from onsemi. The series offers various fixed output voltages tailored for different digital logic levels. The FAN1117AD285X specifically targets applications requiring a 2.85 V supply, commonly used in older digital standards or specific sensor interfaces. It shares common packaging and thermal characteristics with other variants in the family.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Direct substitutes include other FAN1117 variants with different fixed output voltages if the voltage level can be adjusted. Cross-reference with similar 1 A LDOs in TO-252 packages from other manufacturers, ensuring pin compatibility and electrical parameter alignment. Verify thermal resistance values match the existing heatsinking design.